AddAir quality in San Mateo
Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo • 53.6K Followers • 15:00, Oct 25 Local time
31
US AQI⁺Good
Main pollutant:
PM2.5
5.5 µg/m³
21°
7 km/h
42 %
Hourly forecast
San Mateo air quality index (AQI⁺) forecast
Daily forecast
San Mateo air quality index (AQI⁺) forecast
| Today | 31 |  | 22° 14° |  11 km/h | 62% |
| Mon | 19 | | 17° 12° | 19 km/h | 82% |
| Tue | 21 | | 18° 11° | 20 km/h | 81% |
Air pollutants
What is the current air quality in San Mateo?
PM2.5 concentration is currently 1.1 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
Protect yourself from air pollution in San Mateo
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Clean Air Facilities
Pollen
What is the pollen count in San Mateo today?
Index
Low
 Tree None | 0% |
 Grass None | 0% |
 Weed Low | 25% |
Source:
wetter.comHealth recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Pollen
What is the pollen count in San Mateo today?
Index
Low
Tree None | 0% |
Grass None | 0% |
Weed Low | 25% |
Source:
wetter.comProtect yourself from air pollution in San Mateo
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Most polluted locations near San Mateo
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in San Mateo
City ranking
Real-time USA AQI⁺ city ranking
Historic air quality near San Mateo
History
Historic air quality graph for San Mateo
Historic air quality near San Mateo
History
Historic air quality graph for San Mateo
Clean Air Facilities
Most polluted locations near San Mateo
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in San Mateo
City ranking
Real-time USA AQI⁺ city ranking
Measure your own air quality
Get a monitor and contribute air quality data in your city.
Learn more about global air quality
Where is the cleanest air quality in San Mateo?
- Baywood - Aragon7
- Belford Way7
- CuriOdyssey at Coyote Point11
- San Mateo Park14
- Occidental Avenue19
- Sylvan Avenue19
- Central San Mateo21
- 13th Avenue23
- East Poplar Avenue24
- North Central-Ellsworth Court25
- Idaho St. San Mateo26
- BV.SM Upper28
- North Claremont St28
- Saint Matthew's Avenue29
- Arroyo Ct30
- Leafwood Court32
- North Central-3rd Ave and S Grant St32
- Durand Drive33
- Noe Avenue34
- Hayward Park on El Camino35
- 213-201 Irving St36
- Iowa Drive36
- Meowchi Heaven - Park Place - San Mateo36
- North Quebec Street36
- Sugarloaf36
- 113 West 40th Avenue38
- Mid Hillsdale Blvd38
- Pinewood Court38
- Beresford Park39
- Monterey Trailhead41
- 37th Avenue44
- Queens Lane / Lakewood Circle45
- Stratford Way45
- West Capistrano Way49
- 238 41st Avenue51
- Lola56
